Top 20 Most Common Weeds in Bangladesh

Bangladesh's warm, moist climate and fertile deltaic land present ideal conditions for a variety of garden weeds to proliferate. Amongst the most common, Goosegrass, Artillery plant, and Santa Maria feverfew lead in ubiquity and pose significant control challenges to both amateur and professional gardeners. These persistent weeds compete with cultivated flora for resources and often demand consistent intervention to manage their spread within the rich biodiversity of Bangladeshi gardens.

Most Common Weeds

1. Goosegrass

When there is a famine or a lack of food, the seeds of goosegrass are eaten. This agricultural weed is utilized for cultivated crops, animal feed, and golf courses. It is classified as an environmental weed in various nations. Some Asian countries employ parts of this plant as herbal medicine.

Growth Rate:

Rapid

2. Artillery plant

The artillery plant is often utilized as a groundcover or an ornamental in many landscapes. It's commonly named the "artillery plant" because the males generally produce pollen in an explosive way. It grows best in a humid environment in partial shade or indirect sunlight. It's a particularly popular plant in indoor rock gardens.

3. Chamber bitter

Chamber bitter is blooms in summer. Its striking branched leaf pattern makes it an attractive ornamental, but it is a weedy plant that takes careful management to stop its seeds from spreading to unwanted areas. It is considered invasive in the southern United States.

Growth Rate:

Moderate

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4. Santa Maria feverfew

Parthenium hysterophorus or santa Maria feverfew is also called famine weed. It is an invasive weed that can disrupt the health of crops, pasture, livestock, and humans. A substance in the plant, called parthenin, is highly toxic and can cause dermatitis and breathing difficulties in humans and animals.

5. Pepper elder

Pepper elder (Peperomia pellucida) is a perennial flowering plant that blooms all year. The entire pepper elder plant is edible and can be eaten raw or cooked.

6. Culantro

Culantro, not to be confused with cilantro or coriander, is a culinary herb with a strong flavor used in dishes across East Asia, Latin America, and the Caribbean. Cultivation is increasing as demand for this herb grows in economies around the world. In tropical areas, this herb can be grown as a perennial, but it will likely only grow as an annual in colder areas.

7. Mexican prickly poppy

Argemone mexicana has been naturalized in many parts of the world. It is extremely tolerant of drought and poor soil, but is poisonous to grazing animals. Its seed pods secrete a pale yellow latex when cut open. In India, the mexican prickly poppy is used in the Holika Dahan festival, in which adults and children worship by offering flowers.

Growth Rate:

Moderate

8. Creeping woodsorrel

Creeping woodsorrel (Oxalis corniculata) is a flowering herb which grows aggressively. The leaves have a lemony flavor and are often made into tea that's rich in vitamin C. However, if ingested in large amounts the oxalic acid for which the genus is named can begin to block the body's calcium absorption.

9. Common purslane

Portulaca oleracea, colloquially known as common purslane, is an annual succulent species with reddish stems and tiny yellow, five-petal flowers. It is used for culinary purposes in various parts of the world, most often raw, in salads. Common purslane is also a good companion plant for crops that thrive in moist soils.

Growth Rate:

Rapid

10. Cutleaf groundcherry

Physalis angulata is an annual plant belonging to the nightshade family Solanaceae. It has dark green leaves that are roughly oval, and often have tooth shapes around the edge. The flowers are a pale yellow and the yellow-orange fruits are wrapped inside a balloon-like calyx, which is toxic and should not be eaten.

11. Lambsquarters

Lambsquarters has many other names, including pigweed, goosefoot, and bacon weed. This plant seems to appear out of nowhere and is considered by many to be a pesky weed. However, the greens of this plant are edible, can be prepared similar to spinach, and are packed with nutrients.

Growth Rate:

Rapid

12. Water hyacinth

Water hyacinth (Eichhornia crassipes) is a fast-growing flowering plant species with ovular, waxy leaves. Water hyacinth is listed as a federal noxious weed in the United States. This species is invasive to ponds, lakes, rivers and other wetland habitats. It forms dense, floating mats of vegetation that restricts light to underwater environments.

Growth Rate:

Rapid

13. Crown Flower

The crown Flower has beautiful flowers that are used to make leis and were a favorite of the last queen of Hawaii. The outer petals of this flower curl back, and reveal what looks like a crown inside. The sap of this plant may cause skin irritation and can be considered toxic.

14. Asthma-plant

Asthma-plant (Euphorbia hirta) is a ground-hugging spurge weed whose branches can grow to 61 cm long. It blooms from summer through early fall, dying off after the first frost. A milky sap will seep from broken stems or leaves. It can be a nuisance weed that reproduces rapidly.

Growth Rate:

Rapid

15. Devil's trumpet

Devil's trumpet (Datura metel) is a highly toxic annual species. Devil's trumpet ingestion can cause headaches, hallucinations, coma, and death. In spite of its toxicity, it is sometimes grown as an ornamental flower.

Growth Rate:

Slow

16. Climbing dayflower

The climbing dayflower can be used as a sprawling groundcover with light blue flowers that attract bees and butterflies. However, it spreads easily when nodes on its small branches touch the soil and begin to root. Since it can spread aggressively, it is sometimes seen as an invasive weed that is treated with herbicide.

Growth Rate:

Rapid

17. Hairy crabgrass

Hairy crabgrass (Digitaria sanguinalis) is a plant species that is known worldwide as a common weed. In certain circumstances, hairy crabgrass is used as animal fodder. This grass species is extremely hardy and almost always requires a detailed control plan, as any chemicals used to eliminate it may also harm surrounding grasses.

Growth Rate:

Rapid

18. Common mugwort

Common mugwort (Artemisia vulgaris) is an herbaceous plant often found in nitrogen-rich soils. The plant's scent is reportedly a mild insect repellant. Common mugwort is used as an offering in Nepalese temples. Tradition holds that it has cleansing properties, so believers also use it to sweep their floors to give them both a spiritual and physical cleaning.

Growth Rate:

Rapid

19. Curlytop Knotweed

Curlytop Knotweed is an annual herb that grows 20 to 79 cm tall. It features purplish stems that bulge at the joints. Flowers bloom in mid to late summer and are tiny and pink. Its fruit is a rounded, flat nut.

20. Ivyleaf morning-glory

Ivyleaf morning-glory is a Central American flowering vine. It has hairy leaves and lavender, white, and rose-colored trumpet-shaped flowers. It also bears egg-shaped fruits. This species flourishes in places with tropical climates. It grows well on railroads, abandoned sites, and landfills.

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